CVE-2021-27260
low-risk
Published 2021-04-14
This vulnerability allows local attackers to disclose sensitive information on affected installations of Parallels Desktop 16.0.1-48919. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the Toolgate component. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-12068.
Do I need to act?
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0.10% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.2/10
Low
LOCAL
/ LOW complexity
Affected Products (1)
Affected Vendors
References (4)
Release Notes
https://kb.parallels.com/en/125013
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-213/
Release Notes
https://kb.parallels.com/en/125013
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-213/
17
/ 100
low-risk
Severity
12/34 · Low
Exploitability
0/34 · Minimal
Exposure
5/34 · Minimal